DE3381027D1 - Kopfpositionierungsregelung. - Google Patents

Kopfpositionierungsregelung.

Info

Publication number
DE3381027D1
DE3381027D1 DE8383301674T DE3381027T DE3381027D1 DE 3381027 D1 DE3381027 D1 DE 3381027D1 DE 8383301674 T DE8383301674 T DE 8383301674T DE 3381027 T DE3381027 T DE 3381027T DE 3381027 D1 DE3381027 D1 DE 3381027D1
Authority
DE
Germany
Prior art keywords
positioning control
head positioning
head
control
positioning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8383301674T
Other languages
English (en)
Inventor
Stan L Noel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Corp
Original Assignee
Ampex Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23435846&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3381027(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ampex Corp filed Critical Ampex Corp
Application granted granted Critical
Publication of DE3381027D1 publication Critical patent/DE3381027D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/56—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
    • G11B5/592—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads
DE8383301674T 1982-04-02 1983-03-24 Kopfpositionierungsregelung. Expired - Lifetime DE3381027D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/364,736 US4451859A (en) 1982-04-02 1982-04-02 Magnetic video head position control

Publications (1)

Publication Number Publication Date
DE3381027D1 true DE3381027D1 (de) 1990-02-01

Family

ID=23435846

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383301674T Expired - Lifetime DE3381027D1 (de) 1982-04-02 1983-03-24 Kopfpositionierungsregelung.

Country Status (4)

Country Link
US (1) US4451859A (de)
EP (1) EP0091750B1 (de)
JP (1) JPH0619820B2 (de)
DE (1) DE3381027D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551776A (en) * 1982-12-20 1985-11-05 International Business Machines Corporation Automatic reference adjustment for position error signal on disk file servo system
US4628378A (en) * 1983-08-26 1986-12-09 Canon Kabushiki Kaisha Information signal recording and/or reproducing apparatus
DE3406929C1 (de) * 1984-02-25 1985-06-13 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth Anordnung zur Spurnachfuehrung in Videorecordern unter Verwendung von Piezoelementen
US4802567A (en) * 1986-02-06 1989-02-07 Amada Company, Limited Plate processing machine
US4970611A (en) * 1987-08-27 1990-11-13 Mitsubishi Denki Kabushiki Kaisha Variable tape speed head-carrier drum control apparatus
DE3829050A1 (de) * 1987-08-27 1989-03-16 Mitsubishi Electric Corp Kopftraegertromel-steuersystem
US5787005A (en) * 1995-10-02 1998-07-28 Aiwa Co., Ltd. Method and apparatus for signal threshold adjustment that compensates for signal asymmetry
US6204706B1 (en) * 1998-06-24 2001-03-20 Hewlett-Packard Company Voltage supervisory circuit for a multi-rail power supply

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614579A (en) * 1970-09-24 1971-10-19 Rca Corp Squeeze film bearing servosystem
JPS4974510A (de) * 1972-11-15 1974-07-18
US4203140A (en) * 1974-11-26 1980-05-13 Sony Corporation Helical scan VTR with deflectable head
JPS6059787B2 (ja) * 1975-10-14 1985-12-26 ソニー株式会社 映像信号再生装置
US4106065A (en) * 1976-03-19 1978-08-08 Ampex Corporation Drive circuitry for controlling movable video head
JPS5385411A (en) * 1976-12-31 1978-07-27 Nec Corp Protecting system for instantaneous breaking of power supply in positioning device
JPS5492308A (en) * 1977-12-29 1979-07-21 Sony Corp Head tracking device in recorder-reproducer
US4169276A (en) * 1977-10-17 1979-09-25 Ampex Corporation Drive circuit for controlling a movable magnetic head
JPS5480716A (en) * 1977-12-12 1979-06-27 Sony Corp Automatic tracking apparatus
GB2048545B (en) * 1979-04-30 1983-08-24 Sony Corp Cancelling the remanent deflection in a piezoceramic head-support-means of a video recorder
US4223358A (en) * 1979-04-30 1980-09-16 Sony Corporation Method and apparatus for cancelling the remanent deflection in a _piezoceramic head support means of a video recorder
JPS5611619A (en) * 1979-07-02 1981-02-05 Sony Corp Supporting unit for signal converting head
JPS5665332A (en) * 1979-10-29 1981-06-03 Sony Corp Magnetic recording and reproducing device
JPS56105322A (en) * 1980-01-19 1981-08-21 Matsushita Electric Ind Co Ltd Driving device of electromechanical conversion element
JPS56140523A (en) * 1980-04-02 1981-11-02 Matsushita Electric Ind Co Ltd Driving device for electromechanical transducer
BR8102104A (pt) * 1980-04-08 1981-10-13 Minnesota Mining & Mfg Aparelho reprodutor de vedeotape com exploracao rotativa

Also Published As

Publication number Publication date
JPS58179934A (ja) 1983-10-21
US4451859A (en) 1984-05-29
EP0091750B1 (de) 1989-12-27
JPH0619820B2 (ja) 1994-03-16
EP0091750A1 (de) 1983-10-19

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee